Switch harness comes pre-wired for easy drop in replacement. 3-way switch operates both high-voltage and low-voltage. Switch harness kit also includes a new o-ring type gasket used inside the hand grip and a set of screws for the handle. Handle and tube are not included, but available separately - see the Similar Items tab above. Switch guaranteed by replacement for 30 days, receptacle on harness is not guaranteed unless power nozzle cord (or power wand) is also replaced by Vacdepot service. All SH400CBEZ switches sold by Vacdepot include the new spring mount contact upgrade. This part is non-returnable.